BRAPH | Sai Prasanna | Activity

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Fri, 21 Apr 2023 05:45:40 +0000

Hi,
Do you guys have any reference manuals for the latest release of BRAPH2?
I was interested in knowing what the variables mean. For example, in the following lines,

strength_WU_diff = c_WU.getComparison(‘Strength’).get(‘DIFF’);
strength_WU_p1 = c_WU.getComparison(‘Strength’).get(‘P1’);
strength_WU_p2 =…[Read more]

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Thu, 20 Apr 2023 10:42:51 +0000

Yes, that’s right.
Thank you.

–
Sai Prasanna

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Thu, 20 Apr 2023 09:28:36 +0000

I used AAL Atlas, and the size of adjacency matrices for each of the 800 subjects is 116 * 116.
Executing precisely the code you provided took approximately the same time, or maybe a little more. But not hours, for sure.
Yes, I have installed the parallel computing toolbox.
I did not execute the comparison part. I was interested in obtaining the…[Read more]

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Thu, 20 Apr 2023 04:36:30 +0000

Thanks. That works perfectly for me.
On an average configured system and for two groups with around 400 subjects each, completing the above task takes about 65 hours. Is that a usual case?

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Tue, 21 Mar 2023 07:15:35 +0000

Thanks for your responses.
Sorry, if I’m asking too many questions.

I just tried as you mentioned. However, after running my script for calculating the analysis,

ms1 = cellfun(@(x) x.getMeasure(‘Degree’).memorize(‘M’), analysis.memorize(‘G_DICT’).getItems, ‘UniformOutput’, false)

gives me an error that says, “Unable to resolve the name…[Read more]

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Fri, 10 Mar 2023 09:44:49 +0000

I’m trying to use the example_FUN_BUD as you mentioned. I need to calculate all the graph metrics. The example file mentions 2-3 metrics. Do I use similar methods for all other metrics ?

I would appreciate your guidance on saving the individual subject correlation matrices as well.

Sai Prasanna replied to the topic Export graph metric values in the forum General Help (Braph 2.0)

Fri, 10 Mar 2023 06:35:16 +0000

Thanks. I will try that.

Also, the GUI is giving me an option of exporting the results as a JSON file only. Could you please let me know how I can save the group average results into an XLS file ?

Sai Prasanna started the topic Export graph metric values in the forum General Help (Braph 2.0)

Thu, 02 Mar 2023 07:22:50 +0000

Hi,
When I run the Functional analysis pipeline, is there anyway I can obtain the graph metrics values for individual subject and not just the group average. I need these values subject-wise and store them in a xls file.

Thanks.
Sai Prasanna

Sai Prasanna started the topic Out of memory issue in the forum General Help (Braph 2.0)

Fri, 18 Nov 2022 10:47:04 +0000

I am doing the group comparison on Functional Comparision BUT pipeline and getting the following error:
Error using ComparisonEnsemble/calculate_results (line 1220)
Out of Memory during deserialization

Error in ComparisonEnsemble/calculateValue (line 1121)
[cp.diff, cp.p1, cp.p2, cp.ci_lower, cp.ci_upper] = calculate_results(cp);

Error in…[Read more]

Sai Prasanna replied to the topic Error while uploading files from xls in the forum General Help (Braph 2.0)

Wed, 16 Nov 2022 10:15:51 +0000

Thanks, I realised that immediately after posting here. My bad.

Thank you for your quick response. Much appreciated.

Sai Prasanna started the topic Error while uploading files from xls in the forum General Help (Braph 2.0)

Wed, 16 Nov 2022 10:01:04 +0000

Hi,
I am using Pipeline connectivity comparison wu. My atlas has 111 regions and each subject has 196 time-series values. The data is arranged in xls files in the format 111*196.

However, I am getting the error that says the following:
BRAPH2:SubjectCON:WrongInput The value num[111 196][-4.671351 -6.610331 6.539966 19.08763 …. is not a valid…[Read more]

Sai Prasanna replied to the topic Import correlation matrices in BRAPH in the forum General Help (Braph 2.0)

Thu, 27 Oct 2022 17:11:21 +0000

Hi,
Thanks so much for your quick response. Feel motivated by active moderators like you.

The dataset I have started with is the ABIDE-I Preprocessed data. The time-series values are already available for various Atlases in text files for each subject. Is there any way I could generate the connectivity matrix using the data in this format?
I…

[Read more]

Sai Prasanna started the topic Import correlation matrices in BRAPH in the forum General Help (Braph 2.0)

Thu, 27 Oct 2022 07:54:21 +0000

Hi,
I have a set of correlation matrices generated using GraphVar toolbox. I wish to do a graph analysis on them using BRAPH. Could you please let me know how to go about it?
I am new to this area. Your help is much appreciated.
Thanks
Sai Prasanna